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Cleaning

WLS-78/78Plus Solar Panel Cleaning Robot

Built by Wuxi Wanlv Intelligent Technology

Updated May 2026·methodology

Overview

The WLS-78 and WLS-78Plus are tracked, remote-controlled robots designed for cleaning photovoltaic solar panels. The robot uses rotating roller brushes and an optional high-pressure water spray system for dry or wet cleaning. It features anti-drop sensors, optional path planning and line correction, and is powered by a lithium battery. Cleaning width is up to 1800mm with an efficiency of up to 4000 m²/h. It is designed for commercial solar farms.

Detailed specifications

Compute2
Horizontal Crossing Cm
60
Package Gross Weight Kg
110
Other5
Charging Cycles
800
Package Size Cm
202 x 75 x 50
Vertical Climbing Cm
3
Water Flow Adjustable
true
Brush Rolling Speed Rpm
230-250

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